Looking for help on how to use the new denoising data
I asked over on the devtalk site and recieved this answer from Brecht Lommel:


  It’s intended for the upcoming feature of animation denoising, where denoising happens in a post processing pass ones all the frames have been rendered. It doesn’t really have a purpose outside of that.


https://devtalk.blender.org/t/how-can-the-new-denoising-data-be-used/3071